38 PROCEEDINGS OF THE 



Lansdowne, Louisa M. Jacob. 

 Lansdowne, Friends' School. 

 Coliingdale, Paul L. Lorrilliere. 

 Media, Lydia G. Allen. 

 Ardmore, William L. Baily. 

 Haverford, William J. Serrill. 

 Haverford, Alfred C. Redfield. 

 Wayne, L. S. Pearson. 

 Wayne, Miss Mary K. Baker. 

 Bryn Mawr, Miss Emily H. Thomas. 

 West Philadelphia, Thos. R. Hill. 

 Fairmount Park, Geo. H. Hallett, Jr. 

 Wissahickon, John R. Pickering, Jr. 

 Melrose Park, Samuel H. Barker. 

 Frankford, Richard F. Miller. 

 Fox Chase, Alexander Patman. 

 Holmesburg, Henry W. Fowler. 

 Frazer, Edwin B. Bartram. 

 Collegeville, Henry Fox. 

 Lopez, Otto Behr. 



The temperature during the spring of 1910 showed none of 

 the sudden rises which bring well-marked bird waves. March 

 had the mildest temperature and least precipitation on record 

 for the month, and arrivals were consequently early. For this 

 month and February, two species, the Fox Sparrow and Phoebe 

 came on exactly the average date, while all others up to March 

 25, were from two to five days earlier than the average. April 

 and May were unusually cloudy, only eight clear days being re- 

 corded in each month. Five of the species arriving during these 

 months were exactly ' on time ' i. e., Towhee, Myrtle Warbler, 

 Maryland Yellowthroat, Blue-winged Warbler and Black- 

 throated Green Warbler; of the rest forty-two species were from 

 one to eleven days late, the average being five days, while two 

 were early, the Thrasher one day and the Black and White 

 Warbler two days. As is usual in cloudy weather with no ' hot 

 waves ' the birds hung back as long as possible, and then came 

 through in force May 9-15, and many rare birds, notably the 



